CN110830753A - Video conference signaling processing method and device, computer equipment and storage medium - Google Patents
Video conference signaling processing method and device, computer equipment and storage medium Download PDFInfo
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Abstract
The invention discloses a video conference signaling processing method, a device, a computer device and a storage medium, wherein an SIP protocol stack receives first user registration request information of an application layer, after the SIP protocol stack calls a TCP protocol stack to send the first user registration request information to an MCU, a retry timer and an overtime timer are started, when the timing time value of the retry timer reaches and does not receive response information corresponding to the first user registration request information, the first user registration request information is retransmitted, the retry timer is restarted, when the timing time value of the overtime timer reaches and does not receive response information corresponding to the first user registration request information, the retry timer is stopped, overtime no-response information is triggered to the application layer by triggering a user, and the problems that a video conference system cannot meet the large-scale high concurrent thousand-man conference requirement and the high availability requirement of signaling node dual-computer hot standby are solved, the image recovery speed during the video conference system fault switching is improved.
Description
Technical Field
The present application relates to the field of multimedia communication technologies, and in particular, to a method and an apparatus for processing a video conference signaling, a computer device, and a storage medium.
Background
With the development of communication technology, video conference technology has emerged, and video conference refers to a conference in which users located at a plurality of sites carry out face-to-face conversations through communication devices and networks. The video conference system comprises a Multipoint Control Unit (MCU), a video conference terminal, a network management system and a transmission network, wherein the MCU processes images and sounds uploaded by a plurality of video conference terminals according to the requirements of participating users and then transmits the images and sounds to each video conference terminal, thereby realizing the video call of the multi-party participating users.
With the development of the video conference technology, the large-scale high-concurrency conference requirements and the high availability requirements of the signaling node dual-computer hot standby are simultaneously provided, a Session Initiation Protocol (SIP) is mostly adopted as a signaling communication protocol between a video conference terminal and an MCU, but the large-scale high-concurrency conference requirements and the high availability requirements of the signaling node dual-computer hot standby cause the SIP signaling processing to conflict. Fig. 1 is a schematic diagram of a dual-computer hot-standby environment of video conference signaling nodes in the related art, as shown in fig. 1, two video conference signaling nodes form a dual-computer hot-standby environment, where only one node (e.g., signaling node 1) is active and serves externally, and is called an active node, and the other node (e.g., signaling node 2) enters a hot-standby state, which is called a hot-standby node. The virtual host IP is started at the active node, the hot standby node does not provide service to the outside, when the active node fails, the hot standby node takes over the virtual host IP and provides the same service to the outside, and the terminal interacts with the virtual host IP. In the related art, there are the following three SIP signaling processing mechanisms.
In the first method, the application layer triggers abnormal switching by setting the overtime of the user registration response. When the user registration does not receive the response information, the application layer triggers TCP connection reset and SIP session reset, and re-registration is attempted and the session is re-entered. In a high concurrency environment of a thousand-person conference, the signaling service of the MCU is very busy under business operations such as 'roll call polling', and the like, at this time, if the response time of user registration is set to be 3 seconds by an application layer, the user registration is more likely to have response overtime, a video conference terminal can quit and enter a conference again when the 'roll call polling', so that the conference is interrupted without accident, and at this time, the MCU has no fault actually. Therefore, the method cannot meet the requirement of large-scale high-concurrency conference of thousands of people.
And in the second method, the application layer triggers abnormal switching by waiting for the information that the SIP protocol stack returns the user registration overtime and no response. The user registration timeout time of the SIP protocol standard is 32 seconds, that is, if the MCU has abnormal dual-device hot standby switching, the video conference terminal needs to trigger switching after 32 seconds, and the time for completing the whole switching is longer, which cannot meet the requirement that the abnormal switching time is controlled within 15 seconds in the high availability requirement of the signaling node dual-device hot standby. Therefore, the method cannot meet the high availability requirement of dual-computer hot standby of the signaling node.
Setting the user registration response timeout time within 3 seconds, and triggering abnormal switching according to the user registration timeout non-response information returned by the SIP protocol stack. At the moment, in a large-scale high-concurrency conference environment with thousands of people, if the user registration exceeds 3 seconds, no response exists, the SIP protocol stack returns a user registration overtime no response message, and the MCU performs dual-computer hot standby abnormal switching; however, under the condition that the MCU actually has no fault, the MCU signaling service cannot reply within 3 seconds because the traffic is busy in the roll call polling, which also causes the video conference terminal to switch abnormally. Therefore, the method cannot meet the requirement of large-scale high-concurrency conference of thousands of people.
Aiming at the problem that in the related technology, a video conference system cannot simultaneously and effectively meet the requirements of a large-scale high-concurrency thousand-people conference and the high availability requirement of dual-machine hot standby of signaling nodes, an effective solution is not provided at present.
Disclosure of Invention
The invention provides a signaling processing method, a signaling processing device, a computer device and a storage medium, which aim to solve the problems that a video conference system cannot simultaneously and effectively meet the requirements of a large-scale high-concurrency thousand-people conference and the high availability requirement of dual-computer hot standby of signaling nodes in the related technology.
According to an aspect of the present invention, there is provided a method of video conference signaling processing, the method comprising:
a Session Initiation Protocol (SIP) stack receives first user registration request information of an application layer, and after the SIP stack calls a Transmission Control Protocol (TCP) stack to send the first user registration request information to a Multipoint Control Unit (MCU), a retry timer and an overtime timer are started, wherein the timing time value of the retry timer is smaller than that of the overtime timer;
when the timing time value of the retry timer is reached, under the condition that response information corresponding to the first user registration request information is not received, retransmitting the first user registration request information, and restarting the retry timer;
and when the timing time value of the overtime timer is reached and no response information corresponding to the first user registration request information is received, stopping the retry timer and triggering user registration overtime no-response information to the application layer.
In one embodiment, after the triggering the user registration timeout non-response message to the application layer, the method further includes:
and the application layer releases the SIP protocol stack, and the application layer instructs the SIP protocol stack to initialize again.
In one embodiment, before the timed time value of the timeout timer arrives, the method includes:
and under the condition of receiving response information corresponding to the first user registration request information, stopping the retry timer and the overtime timer, and triggering user registration response information to the application layer.
In one embodiment, the method further comprises:
the application layer initiates a request of registering heartbeat signaling of the SIP user to the MCU, and the application layer does not set the user registration response overtime time corresponding to the heartbeat signaling of registering the SIP user.
According to another aspect of the present invention, there is provided an apparatus for video conference signaling processing, the apparatus comprising a start module, a retry module, and a stop module:
the starting module is used for receiving first user registration request information of an application layer by an SIP protocol stack, and starting a retry timer and an overtime timer after the SIP protocol stack calls a TCP protocol stack to send the first user registration request information to a Multipoint Control Unit (MCU), wherein the timing time value of the retry timer is smaller than that of the overtime timer;
the retry module is configured to, when the timing time value of the retry timer reaches, resend the first user registration request message and restart the retry timer if no response message corresponding to the first user registration request message is received;
the stopping module is configured to stop the retry timer and trigger the user registration timeout non-response information to the application layer when the timed time value of the timeout timer reaches and no response information corresponding to the first user registration request information is received.
In one embodiment, the apparatus further comprises a release module:
the release module is configured to release the SIP protocol stack by the application layer, and the application layer instructs the SIP protocol stack to initialize again.
In one embodiment, the apparatus further comprises a response module:
and the response module is used for stopping the retry timer and the timeout timer and triggering user registration response information to the application layer under the condition of receiving response information corresponding to the first user registration request information.
In one embodiment, the apparatus further comprises a heartbeat module:
the heartbeat module is used for the application layer to initiate a request of registering heartbeat signaling of the SIP user to the MCU, and the application layer does not set the user registration response overtime time corresponding to the heartbeat signaling of registering the SIP user.
According to another aspect of the present invention, there is provided a computer device comprising a memory storing a computer program and a processor implementing the steps of any of the methods described above when the processor executes the computer program.
According to another aspect of the invention, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of any of the methods described above.
By the invention, the SIP protocol stack receives first user registration request information of an application layer, after the SIP protocol stack calls a TCP protocol stack to send the first user registration request information to a multipoint control unit MCU, a retry timer and a timeout timer are started, when the timing time value of the retry timer is up, the first user registration request information is retransmitted under the condition that response information corresponding to the first user registration request information is not received, the retry timer is restarted, when the timing time value of the timeout timer is up, the retry timer is stopped under the condition that the response information corresponding to the first user registration request information is not received, and the user registration timeout non-response information is triggered to the application layer, thereby solving the problem that a video conference system cannot simultaneously and effectively meet the large-scale high concurrent thousand-man conference requirement and the high availability requirement of signaling node dual-computer hot standby, the image recovery speed during the video conference system fault switching is improved.
Drawings
Fig. 1 is a schematic diagram of a video conference signaling node dual-server hot-standby environment in the related art;
fig. 2 is a first flowchart of a method of video conference signaling processing according to an embodiment of the present invention;
fig. 3 is a flow chart two of a method of video conference signaling processing according to an embodiment of the present invention;
fig. 4 is a flowchart three of a method of video conference signaling processing according to an embodiment of the present invention;
fig. 5 is a block diagram one of the structure of the apparatus for video conference signaling processing according to the embodiment of the present invention;
fig. 6 is a block diagram of a second structure of an apparatus for video conference signaling processing according to an embodiment of the present invention;
fig. 7 is a block diagram of the structure of a video conference signaling processing apparatus according to an embodiment of the present invention;
fig. 8 is a block diagram of the structure of an apparatus for video conference signaling processing according to an embodiment of the present invention;
fig. 9 is a block diagram of the structure of the videoconference signaling protocol layers, according to an embodiment of the present invention;
FIG. 10 is a flow diagram of videoconference application layer logic, according to an embodiment of the present invention;
fig. 11 is a flow diagram of videoconference SIP protocol layer logic, according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, a method of a video conference signaling processing method is provided, and fig. 2 is a flowchart one of a method of a video conference signaling processing according to an embodiment of the present invention, as shown in fig. 2, the method includes the following steps:
step S202, a Session Initiation Protocol (SIP) stack receives first user registration request information of an application layer, and after the SIP stack calls a Transmission Control Protocol (TCP) stack to send the first user registration request information to a Multipoint Control Unit (MCU), a retry timer and an overtime timer are started, wherein the timing time value of the retry timer is smaller than that of the overtime timer. The SIP protocol stack is a specific software implementation of the SIP protocol, a plurality of SIP signaling processes can be simultaneously carried out, an application layer is positioned at the topmost layer of the protocol layer and is used for finishing the management and processing of data and the combination with an application scene, user registration request information is a register request, an MCU is a multimedia information exchanger and is used for carrying out multi-point calling and connection, the functions of video broadcasting, video selection, audio mixing, data broadcasting and the like are realized, the multi-point-to-multi-point terminal signal junction and switching are finished, the first user registration request information is information from the application layer and can be used for realizing the functions of registration and logout of a user, user identity authentication and authentication, heartbeat of a user client and the like, the timing time of a retry timer can be 2 seconds, and the timing time of an overtime timer can be 32 seconds and can also be set according to a specific application environment.
Step S204, when the timing time value of the retry timer reaches, and the response message corresponding to the first user registration request message is not received, resending the first user registration request message, and restarting the retry timer. For example, within 2 seconds, if no response message corresponding to the first user registration request message is received, the SIP protocol stack calls the TCP protocol stack to resend the first user registration request message to the MCU without any modification, and at the same time, the retry timer is started again, and if the time value set by the retry timer arrives again, the above steps are repeated, thereby implementing continuous retry sending of the user registration signaling.
Step S206, when the timed time value of the timeout timer reaches, if the response message corresponding to the first user registration request message is not received, stopping the retry timer, and triggering the user registration timeout non-response message to the application layer. For example, within 32 seconds, if the response information corresponding to the first user registration request information is not received, the retry timer is stopped, the user registration request information of this time is destroyed, and the user registration timeout non-response information is triggered to the application layer.
Through the steps, after the SIP protocol stack receives the user registration request information, a retry timer and an overtime timer are started, the request information is continuously retransmitted under the condition that corresponding information corresponding to the request information is not received, when failed response information is received, the dual-computer hot standby of the video conference signaling node can be started, the video conference terminal does not need to wait for 32 seconds, the high availability requirement of the dual-computer hot standby of the signaling node is met, meanwhile, the method does not enable the video conference terminal to quit and re-enter the conference under the condition that the MCU is not in fault, the conference interruption is caused, the high availability requirement of abnormal switching of the dual-computer hot standby is met while the requirement of a large-scale high-concurrency thousand-person conference is met, and the speed of recovering the video conference system fault switching picture is improved.
In one embodiment, fig. 3 is a flowchart ii of a method for processing video conference signaling according to an embodiment of the present invention, and as shown in fig. 3, the method further includes the following steps:
and step S302, the application layer releases the SIP protocol stack, indicates the SIP protocol stack to initialize again, can close all existing TCP connections through the steps, and then creates a new SIP protocol stack, so as to avoid the problem of login conflict caused by the fact that the existing TCP connections and the new TCP connections simultaneously reach the MCU for signaling service.
In one embodiment, fig. 4 is a flowchart three of a method for processing video conference signaling according to an embodiment of the present invention, as shown in fig. 4, the method includes the following steps:
step S402, when the response information corresponding to the first user registration request information is received, stops the retry timer and the timeout timer, and triggers the user registration response information to the application layer. By the steps, the response information is returned in time, and the protocol stack can end the first user registration request information in time according to the response information, so that the efficiency of processing the signaling by the SIP protocol stack is improved.
In one embodiment, an application layer initiates a SIP user registration heartbeat signaling request to an MCU, and the application layer does not set a user registration response timeout time corresponding to the SIP user registration heartbeat signaling. Through the steps, under the condition that the application layer does not set the user registration response overtime time corresponding to the SIP user registration heartbeat signaling, the application layer does not retry and overtime the user registration signaling, the signaling transmission logic of the whole video conference signaling protocol layer is simplified, and the workload of terminal application development is reduced.
It should be understood that, although the steps in the flowcharts of fig. 2 to 4 are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-4 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least some of the sub-steps or stages of other steps.
Corresponding to the method for processing the video conference signaling, in this embodiment, a device for processing the video conference signaling is further provided, and the device is used to implement the foregoing embodiment and the preferred embodiment, and is not described again after having been described. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware or a combination of software and hardware are also possible and contemplated.
In an embodiment, an apparatus for video conference signaling processing is provided, and fig. 5 is a block diagram of a structure of the apparatus for video conference signaling processing according to the embodiment of the present invention, as shown in fig. 5, including: an initiation module 52, a retry module 54, and a stop module 56, wherein:
a starting module 52, configured to receive, by an SIP protocol stack, first user registration request information of an application layer, and start a retry timer and an timeout timer after the SIP protocol stack calls a TCP protocol stack to send the first user registration request information to a multipoint control unit MCU, where a timing time value of the retry timer is smaller than a timing time value of the timeout timer;
a retry module 54, configured to, when the timing time value of the retry timer reaches, resend the first user registration request message if no response message corresponding to the first user registration request message is received, and restart the retry timer;
a stopping module 56, configured to stop the retry timer and trigger the user registration timeout no-response message to the application layer when the timed time value of the timeout timer reaches and no response message corresponding to the first user registration request message is received.
Through the device, after the SIP protocol stack receives the user registration request information, the starting module 52 starts a retry timer and an overtime timer, the retry module 54 continuously retransmits the request information under the condition that corresponding information corresponding to the request information is not received, when failed response information is received, the dual-computer hot standby of the video conference signaling node can be started, the video conference terminal does not need to wait for 32 seconds, the high availability requirement of the dual-computer hot standby of the signaling node is met, meanwhile, the method can not enable the video conference terminal to quit and re-enter the conference under the condition that the MCU is not failed, the conference interruption is caused, the high availability requirement of abnormal switching of the dual-computer hot standby is met while the requirement of a large-scale high-concurrency thousand-man conference is met, and the speed of recovering the video conference system fault switching picture is improved.
In an embodiment, fig. 6 is a block diagram of a second structure of an apparatus for processing video conference signaling according to an embodiment of the present invention, and as shown in fig. 6, the apparatus further includes: a release module 62, wherein:
a release module 62, configured to release the SIP protocol stack by the application layer, where the application layer instructs the SIP protocol stack to perform initialization again. By the device, the application layer can close all existing TCP connections through the release module 62, and then create a new SIP protocol stack, so that the problem of login conflict caused by the fact that the existing TCP connections and the new TCP connections reach the MCU signaling service at the same time is avoided.
In an embodiment, fig. 7 is a block diagram of a third structure of an apparatus for processing video conference signaling according to an embodiment of the present invention, and as shown in fig. 7, the apparatus further includes: a response module 72, wherein:
and a response module 72, configured to stop the retry timer and the timeout timer and trigger the user registration response information to the application layer when response information corresponding to the first user registration request information is received. By the device, the response module 72 timely returns the response information, and the protocol stack can timely end the first user registration request information according to the response information, so that the efficiency of processing signaling by the SIP protocol stack is improved.
In an embodiment, fig. 8 is a block diagram of a fourth structure of an apparatus for processing video conference signaling according to an embodiment of the present invention, and as shown in fig. 8, the apparatus further includes: a heartbeat module 82, wherein:
and the heartbeat module 82 is configured to initiate, by the application layer, a request for registering heartbeat signaling by the SIP user to the MCU, where the application layer does not set a user registration response timeout time corresponding to the SIP user registration heartbeat signaling. By the device, the SIP user registration heartbeat signaling of the heartbeat module 82 can be sent once every 5 seconds, and under the condition that the application layer does not set the user registration response timeout time corresponding to the SIP user registration heartbeat signaling, the application layer does not retry user registration, so that the signaling transmission logic of the whole video conference signaling protocol layer is simplified, and the workload of terminal application development is reduced.
In the following, an embodiment of the present invention is described in detail with reference to an actual application scenario, when a video conference is performed for thousands of people, fig. 9 is a structural block diagram of a video conference signaling protocol layer according to an embodiment of the present invention, and as shown in fig. 9, the protocol layer includes an application layer 92, an SIP protocol layer 94, a TCP protocol layer 96 and an IP protocol layer 98, and when the video conference is performed, the application layer implements the steps in fig. 10, and fig. 10 is a flowchart of a video conference application layer logic according to an embodiment of the present invention, as shown in fig. 10:
step S1002, the application layer initiates a heartbeat signaling request for registering the SIP user to the MCU at intervals of fixed time (such as 5 seconds), and the overtime time of the user registration response of the application layer is not set;
step S1004, after receiving the SIP user registration overtime non-response message of the SIP protocol stack, the application layer releases the SIP protocol stack, disconnects all TCP connections, reinitializes the SIP protocol stack, and performs registration retry and conference entry retry;
step S1006, the MCU receives various SIP signaling of the SIP protocol stack, and sends SIP response message as soon as possible, so as to avoid excessive retransmission of the SIP protocol stack;
and step S1008, when the MCU receives various SIP signaling of the SIP protocol stack, the MCU performs duplication elimination according to the SIP header field CSeq.
Through the steps, when the network between the application layer and the MCU is abnormal, the disconnection and reconnection of the SIP signaling channel are fast, and the conference session recovery speed is fast. This also benefits from the shorter heartbeat retransmission interval of the SIP protocol stack, which can quickly detect TCP connections that are found to be abnormal. Meanwhile, after finding out that the SIP user is overtime and has no response, the application layer releases the SIP protocol stack so as to close all the old TCP connections, then creates a new SIP protocol stack, avoids the problem that the new TCP connections and the old TCP connections simultaneously reach MCU signaling service, thereby causing conflict login, does not need to retry, greatly simplifies logic, and reduces application development workload.
When the protocol layer performs the video conference, the SIP protocol layer implements the steps in fig. 11, fig. 11 is a flowchart of the logic of the SIP protocol layer of the video conference according to the embodiment of the present invention, as shown in fig. 10:
step S1102, the SIP protocol stack receives the user registration request of the application layer, checks whether the last user registration transaction is completed, if not, returns failure, otherwise, calls the TCP protocol stack to send the user registration request to the MCU;
step S1104, after the SIP protocol stack calls the TCP protocol stack to send the user registration request, whether the sending is successful or not, a retry timer (2 seconds) and an overtime timer (32 seconds) are started;
step S1106, when the time of the retry timer of the SIP protocol stack is reached, if the user registration does not receive the response message, the user registration message is triggered to be retransmitted, the user registration message which is transmitted last time is retransmitted once, and the retry timer is started again;
step S1108, when the time of the SIP protocol stack timeout timer is reached, if the user registration still does not receive the response message, the retry timer is stopped, and the user registration timeout non-response message is triggered to the application layer;
in step S1110, if the SIP stack receives the user registration response message before the timeout timer is reached, the retry timer and the timeout timer are stopped, and the user registration response message is triggered to the application layer.
Through the steps, because the registration heartbeat timeout time of the SIP protocol stack user is longer (32 seconds), even if the user registration response is received within 32 seconds in a high concurrency environment, the video conference terminal cannot be disconnected, and the tolerance of an application layer to signaling delay is greatly improved. Because the interval of registered heartbeat retransmission of the user of the SIP protocol stack is short (2 seconds), after the MCU signaling node is switched in a fault mode, the SIP protocol stack can quickly trigger the retry transmission of heartbeat signaling within 2 seconds, and the TCP connection abnormity can be quickly found, so that the quick disconnection reconnection of the TCP is realized, the quick recovery of the application layer session when the MCU signaling node is switched in a double-computer hot standby abnormity mode is realized, and the requirement that the high available switching time is controlled within 15 seconds is met.
In one embodiment, a computer device is provided. The computer device may be a server. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used for storing signalling data. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of video conference signaling processing.
In one embodiment, a computer device is provided, which may be a terminal. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of video conference signaling processing. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
In one embodiment, a computer device is provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor executes the computer program to implement the steps in the video conference signaling processing method provided in the foregoing embodiments.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps in the video conference signaling processing method provided by the above embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of video conference signaling, the method comprising:
a Session Initiation Protocol (SIP) stack receives first user registration request information of an application layer, and after the SIP stack calls a Transmission Control Protocol (TCP) stack to send the first user registration request information to a Multipoint Control Unit (MCU), a retry timer and an overtime timer are started, wherein the timing time value of the retry timer is smaller than that of the overtime timer;
when the timing time value of the retry timer is reached, under the condition that response information corresponding to the first user registration request information is not received, retransmitting the first user registration request information, and restarting the retry timer;
and when the timing time value of the overtime timer is reached and no response information corresponding to the first user registration request information is received, stopping the retry timer and triggering user registration overtime no-response information to the application layer.
2. The method of claim 1, wherein after the triggering of the user registration timeout non-responsive information with the application layer, the method further comprises:
and the application layer releases the SIP protocol stack, and the application layer instructs the SIP protocol stack to initialize again.
3. The method of claim 1, wherein before the timed time value of the timeout timer is reached, the method comprises:
and under the condition of receiving response information corresponding to the first user registration request information, stopping the retry timer and the overtime timer, and triggering user registration response information to the application layer.
4. The method according to any one of claims 1 to 3, further comprising:
the application layer initiates a request of registering heartbeat signaling of the SIP user to the MCU, and the application layer does not set the user registration response overtime time corresponding to the heartbeat signaling of registering the SIP user.
5. An apparatus for video conference signaling processing, the apparatus comprising a start module, a retry module, and a stop module:
the starting module is used for receiving first user registration request information of an application layer by an SIP protocol stack, and starting a retry timer and an overtime timer after the SIP protocol stack calls a TCP protocol stack to send the first user registration request information to a Multipoint Control Unit (MCU), wherein the timing time value of the retry timer is smaller than that of the overtime timer;
the retry module is configured to, when the timing time value of the retry timer reaches, resend the first user registration request message and restart the retry timer if no response message corresponding to the first user registration request message is received;
the stopping module is configured to stop the retry timer and trigger the user registration timeout non-response information to the application layer when the timed time value of the timeout timer reaches and no response information corresponding to the first user registration request information is received.
6. The apparatus of claim 5, further comprising a release module:
the release module is configured to release the SIP protocol stack by the application layer, and the application layer instructs the SIP protocol stack to initialize again.
7. The apparatus of claim 5, further comprising a response module to:
and the response module is used for stopping the retry timer and the timeout timer and triggering user registration response information to the application layer under the condition of receiving response information corresponding to the first user registration request information.
8. The apparatus of any one of claims 5 to 7, further comprising a heartbeat module:
the heartbeat module is used for the application layer to initiate a request of registering heartbeat signaling of the SIP user to the MCU, and the application layer does not set the user registration response overtime time corresponding to the heartbeat signaling of registering the SIP user.
9. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 4 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
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